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117238 (2004 SQ17)
Classification: Main-belt Asteroid          SPK-ID: 2117238
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1786634390237563 4.5785e-08  
a 2.58205659594818 1.6469e-08 au
q 2.120737484762105 1.1759e-07 au
i 11.36488025754611 5.0222e-06 deg
node 126.2552915562295 2.6665e-05 deg
peri 270.5261850471333 3.1336e-05 deg
M 259.41627536114 2.1313e-05 deg
tp 2459423.920885127748
(2021-Jul-28.42088513)		 9.2397e-05 TDB
period 1515.469020393566
4.15		 1.4499e-05
3.97e-08		 d
yr
n .2375502205294228 2.2728e-09 deg/d
Q 3.043375707134256 1.9412e-08 au
   Orbit Determination Parameters
   # obs. used (total)      637  
   data-arc span      6792 days (18.60 yr)  
   first obs. used      2000-09-25  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60349  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:18:38  

Additional Information
 Earth MOID = 1.16386 au 
 Jupiter MOID = 2.46871 au 
 T_jup = 3.374 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO436562  
diameter diameter 2.761 km 0.202 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.232   0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117238 (2004 SQ17)          Discovered 2004-Sep-17 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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